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EXPO: WAEC Mathematics Questions and Answers 2021/2022

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EXPO: WAEC Mathematics Questions and Answers 2021/2022.

WAEC Mathematics Questions and Answers: This WAEC 2021 mathematics expo question and answer is free for all candidates writing this year exams. If you are among those writing 2021 WAEC Examination, Feel free to expect free answer here.

WAEC Mathematics Questions and Answers

The West African Examinations Council is an examination that is for all the west African country (Ghana, Nigeria, Sierra Leone, Liberia, and Gambia).

WAEC Mathematics Questions and Answers: Candidate that applied for the WAEC in any country should BOOKMARK this page for all and latest WAEC Mathematics exam expo.

Today’s WAEC Mathematics Questions and Answers Expo Runs, 20th, Monday September 2021.

MATHS OBJ
1CBCADABBCD
11BCBADCCABC
21CDCAAADACD
31CADACBAABC
41ABAADADBBB

10a

X² = 5² + 3²
X² = 25 + 9
X² = 34
X = √34
X = 5.83KM

Tan∅ = opp/adj
Tan∅ = 3/5
Tan∅ = 0.6
∅ = Tan-¹ 0.6
∅ = 30.96
The true bearing of man U from Dogb is 20⁰+30.96⁰
= 50.96

10b.
X² + (x+2)² = 10²
X² + ([x+2)(x+2)] = 100
X² + [(x²+2x+2x+4)] =100
X²+x²+4x+4 = 100
2x² + 4x +4 = 100
2x² + 4x + 4 – 100 = 0
2x² + 4x – 96 = 0
X² + 2x – 48 = 0
X² + 8x – 6x – 48 = 0
X (x+8) -6 (x+8) = 0
(X-6) (x+8) = 0
X-6 = 0 or x+0 = 0
x = 6 or x – 8
The true value of X is = 6m

13a.
When Sani is 4 years old, T = 3
Principal, P = & 1,000.00
R = 4%
Using A = P ( 1+ r/100)^T
A = 1000 ( 1+ 4/100)³
A = 1000 (1.04)³
A = & 1,124.86

13b.
ABC = 180-50=130⁰ (Supplementary<S)
Join A to C : ACD = 90⁰ (< in a semicircle)

CAD = 180 – (ACD+ADC) [sum of <s in a triangle] = 180-(90+50)=40⁰
Also BAC=BCA (base <s of an isosceles)
BAC + BCA + BAC = 180 [sum of <s in a triangle]
2BAC + 130⁰ = 180⁰
BAC = 50/2 = 25

BAD = BAC + CAD
= 25+40
=65⁰

Question Number 1a.

Question 3a and b answers;

Question 4a and b answer.

Question 5 answers:

Question 5b answers:

Question 6a answers:

Question 6b answers:

Question 8a and b answers;

See Also: Download WAEC Maths Syllables

Question 9a and b answers.

Recommended:

What to Do in the Exam hall immediately you enter.

When you enter your Exam hall, locate your exam seat, and sit down there: Your Exam seat is the sit that has your Exam Number written on it. Then on your answer booklet (answers sheet), write your;

  1. Exam Number
  2. Center Number
  3. Full name (Starting from your Surname, Firstname, and Middle Name).
  4. In the same way, Shade your Name, Exam Number, and Center number accordingly, on the OMR (OBJ answer booklet)

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